Since 1963, the IR-4 Project
has been the major resource for supplying pest management tools for specialty crop growers by developing
research data to support new EPA tolerances and labeled product uses.
2014 IR-4 Year End Summary
2014 IR-4 Annual Report
IR-4 Vision 2020 Summary
IR-4 Vision 2020 (entire report)
2011 National Economic Impact
of the IR-4 Project and the IR-4 Project Programs (updated 2012)
The IR-4 Project 50 Years of Sustained Success
History of IR-4 Minor Use Pesticide Registration 1963-2001 published in the Encyclopedia of Agrochemicals 3/1/01
Major funding for IR-4 is provided from Special Research Grants from:
* USDA-FAS and
and is provided in cooperation with the State Agricultural Experiment Stations. These stations provide in-kind support valued at over $18 million annually.
2015/16 Ornamental Horticulture Workshop
October 6-8, 2015
IR-4 Project Headquarters
Rutgers, The State University of NJ
500 College Road East, Suite 201 W
Princeton, NJ 08540
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